This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Dnhoffsches Stadtpalais in Knigsberg Schiefer Berg . de Knigsberg Schiefer Berg Dnhoffsches Stadtpalais in Knigsberg own Berow other versions cczero Buildings in Knigsberg
Page 2023 Free-images.com. All images are Public Domain